Hundreds of stones dangle from barren trees in the middle of the desert.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

Founded as a refugee camp, now a popular tourist spot.

Morocco's Argania trees are infested with nut-hungry goats.

Rebuilt remains of a temple to Roman god Mithras.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The atmospheric road was never meant to be so creepy.

An ancient sanctuary that has long been a holy site for the Chaldean Christian Church.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

This set of mysterious petroglyphs in the Peruvian jungle could shed light on centuries-old activities in the region.

The surviving pieces of an ancient aqueduct that may have fed into the lost Hanging Gardens of Babylon.

Ancient rock-cut tomb? Definitely. That of a great Median king? Unlikely.

A boiling wellspring flowing with natural gas burns in a continual blaze.

This beautiful arched gate is all that remains of the fortress the ancient mountaintop town of Amadiya once was.

The sacred shrine of the Yazidis.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

This ancient stone necropolis is in danger of disappearing.

Mummies preserved naturally for seven centuries.

The ruins of a monumental tower in the heart of Lebanese mountains still puzzle archeologists.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

The most visited, and possibly most controversial, museum in Germany.

This gorgeous space is England's largest independent library outside of London.